In the wake of the AIDS pandemic, legions of organizations and compassionate individuals from faraway places descended on Africa to offer help and save lives. Ann Swidler and Susan Cotts Watkins vividly describe the often mismatched expectations and fantasies of altruists who dream of transforming lives, of the villagers who desperately seek help, and of the brokers on whom both Western altruists and impoverished villagers must rely. Based on years...